State rank#9 of 72
Smallest county164,350 residentsMilwaukee County
Published county profile · Official data · FIPS 55105
Rock County, Wisconsin
County-level income, housing, jobs, education, health, and population with transparent statewide comparisons and source periods.
Population164,350
Household income$75,673
Unemployment3.2%
Life expectancy76.3 years
County overview
Living metrics at a glance
Rock County has 164,350 residents and ranks #9 by population among Wisconsin county equivalents. Median household income is $75,673. The annual-average unemployment rate is 3.2%. Its clearest relative strength is mental health access. Its county population is above the state county median. Every figure below stays at county scope.
Within Wisconsin
County population range
The marker places this county between the smallest and largest county populations in the state.
Relocation guide
Moving to Rock County: what to check
Data narrows the search; municipality, neighborhood, commute, schools, and current listings complete the decision.
Before moving
Before moving, compare municipalities inside Rock County, because county averages do not describe every neighborhood. Review current housing inventory, commute destinations, school districts, healthcare access, and job locations. Its clearest relative strength is mental health access.
Cost and housing
Housing benchmarks are $231,600 median home value and $1,037/mo median gross rent. Set those costs against a median household income of $75,673, while remembering that household circumstances and municipalities vary.
Who it may suit
Rock County may be worth a closer look for movers prioritizing mental health access, median household income, and poor or fair health. College attainment is 25.8% and life expectancy is 76.3 years.
Potential advantages
- Mental health access: 1 per 438 residents, rank #17 of 72 available Wisconsin counties.
- Median household income: $75,673, rank #25 of 72 available Wisconsin counties.
- Poor or fair health: 15.8%, rank #32 of 72 available Wisconsin counties.
Trade-offs to check
- Life expectancy: 76.3 years, rank #60 of 72; investigate local variation before moving.
- Median gross rent: $1,037/mo, rank #57 of 72; investigate local variation before moving.
- Primary care access: 1 per 1,957 residents, rank #43 of 71; investigate local variation before moving.
Income, housing, jobs, education & health
County metrics within Wisconsin
Rank and range use only counties in Wisconsin with that field available. A lower rank number is stronger when the metric has a clear direction.
Median household income
$75,673
$75,673; above the state county median of $72,922.
State rank #25 of 72 · U.S. Census Bureau — American Community Survey
Median home value
$231,600
$231,600; above the state county median of $224,800.
State rank #42 of 72 · U.S. Census Bureau — American Community Survey
Median gross rent
$1,037/mo
$1,037/mo; above the state county median of $878/mo.
State rank #57 of 72 · U.S. Census Bureau — American Community Survey
Unemployment rate
3.2%
3.2%; at the state county median of 3.2%.
State rank #35 of 72 · U.S. Bureau of Labor Statistics — Local Area Unemployment Statistics
Bachelor’s degree or higher
25.8%
25.8%; above the state county median of 25%.
State rank #33 of 72 · U.S. Census Bureau — American Community Survey
Life expectancy
76.3 years
76.3 years; below the state county median of 78 years.
State rank #60 of 72 · County Health Rankings & Roadmaps
Poor or fair health
15.8%
15.8%; below the state county median of 16%.
State rank #32 of 72 · County Health Rankings & Roadmaps
Uninsured
6.6%
6.6%; below the state county median of 6.8%.
State rank #35 of 72 · County Health Rankings & Roadmaps
Primary care access
1 per 1,957 residents
1 per 1,957 residents; above the state county median of 1 per 1,715 residents.
State rank #43 of 71 · County Health Rankings & Roadmaps
Mental health access
1 per 438 residents
1 per 438 residents; below the state county median of 1 per 621 residents.
State rank #17 of 72 · County Health Rankings & RoadmapsCommon questions
Rock County FAQ
Is Rock County a good place to live?
Rock County may be worth a closer look for movers prioritizing mental health access, median household income, and poor or fair health. College attainment is 25.8% and life expectancy is 76.3 years.
What should I know before moving to Rock County?
Start with housing, employment, commute, schools, healthcare access, and the specific municipality. Housing benchmarks are $231,600 median home value and $1,037/mo median gross rent. Set those costs against a median household income of $75,673, while remembering that household circumstances and municipalities vary.
What is the population of Rock County?
Rock County has 164,350 residents in the 2020–2024 ACS 5-year dataset.
What is the FIPS code for Rock County?
The five-digit county FIPS code is 55105; the parent state FIPS is 55.
What is the median household income in Rock County?
The ACS median household income is $75,673.
How much does housing cost in Rock County?
Housing benchmarks are $231,600 median home value and $1,037/mo median gross rent. Set those costs against a median household income of $75,673, while remembering that household circumstances and municipalities vary.
What is the unemployment rate in Rock County?
The BLS LAUS annual-average unemployment rate is 3.2%.
Similar population
Nearby counties in the state ranking
Source and gate
Methodology and source periods
All records join by five-digit FIPS. Profiles publish when ACS county population is at least 100,000 or the county is the state’s largest. Missing source values remain unavailable and are excluded from ranks. Runtime data was generated 2026-07-26.
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